$("#get_pic").on('click',function() {
					// sGetBase64
					if (captureOn()) {
						console.log(captrue.sGetBarCodeOnline());
						var img = $('<img>').attr('src', 'data:image/jpeg;base64,' + captrue.sGetBase64());// JPG图片较小
																											// 差不多能达到300k以内
						img.attr('width', $('#image-preview').width() / 4);
						var imageBlock = $('<div>').addClass('col-md-3').append(img);
						var inputBlock = $('<div>')
								.addClass('col-md-9')
								.html(
										'<textarea class="form-control" placeholder="请输入图片备注信息"></textarea><button class="btn btn-xs btn-info" onclick="preview(this)">全屏预览</button> <button class="btn btn-xs btn-info" onclick="discriminate(this)">设别二维码</button> <button class="btn btn-xs btn-danger" onclick="deleteImage(this)">删除</button>');
						var row = $('<div>').addClass('row').append(imageBlock).append(inputBlock);
						$('#image-preview').append(row).append('<div class="space-4"></div>');
					} else {
						showMessage("摄像头未开启");
					}
				})